34.617 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.107 * * * [progress]: [2/2] Setting up program.
0.110 * [progress]: [Phase 2 of 3] Improving.
0.110 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/.f64 (-.f64 x y) (*.f64 (*.f64 x 2.0) y))
0.185 * * [simplify]: iteration  0 :  4878  enodes  (cost  9 )
0.186 * * [simplify]: iteration  1 :  4878  enodes  (cost  9 )
0.186 * [simplify]: Simplified to:
   (/.f64 (-.f64 x y) (*.f64 y (*.f64 x 2.0)))
0.189 * * [progress]: iteration 1 / 4
0.189 * * * [progress]: picking best candidate
0.191 * * * * [pick]: Picked  #<alt (λ (x y) (/.f64 (-.f64 x y) (*.f64 (*.f64 x 2.0) y)))>
0.191 * * * [progress]: localizing error
0.196 * * * [progress]: generating rewritten candidates
0.196 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.206 * * * [progress]: generating series expansions
0.206 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.206 * [approximate]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in (x y) around 0
0.206 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in y
0.206 * [taylor]: Taking taylor expansion of 0.5 in y
0.206 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in y
0.207 * [taylor]: Taking taylor expansion of (- x y) in y
0.207 * [taylor]: Taking taylor expansion of x in y
0.207 * [taylor]: Taking taylor expansion of y in y
0.207 * [taylor]: Taking taylor expansion of (* x y) in y
0.207 * [taylor]: Taking taylor expansion of x in y
0.207 * [taylor]: Taking taylor expansion of y in y
0.207 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
0.207 * [taylor]: Taking taylor expansion of 0.5 in x
0.207 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
0.207 * [taylor]: Taking taylor expansion of (- x y) in x
0.207 * [taylor]: Taking taylor expansion of x in x
0.207 * [taylor]: Taking taylor expansion of y in x
0.207 * [taylor]: Taking taylor expansion of (* x y) in x
0.207 * [taylor]: Taking taylor expansion of x in x
0.207 * [taylor]: Taking taylor expansion of y in x
0.207 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
0.207 * [taylor]: Taking taylor expansion of 0.5 in x
0.207 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
0.207 * [taylor]: Taking taylor expansion of (- x y) in x
0.207 * [taylor]: Taking taylor expansion of x in x
0.207 * [taylor]: Taking taylor expansion of y in x
0.207 * [taylor]: Taking taylor expansion of (* x y) in x
0.207 * [taylor]: Taking taylor expansion of x in x
0.207 * [taylor]: Taking taylor expansion of y in x
0.207 * [taylor]: Taking taylor expansion of -0.5 in y
0.208 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.208 * [taylor]: Taking taylor expansion of 0.5 in y
0.208 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.208 * [taylor]: Taking taylor expansion of y in y
0.208 * [taylor]: Taking taylor expansion of 0 in y
0.208 * [taylor]: Taking taylor expansion of 0 in y
0.209 * [taylor]: Taking taylor expansion of 0 in y
0.209 * [approximate]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.209 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.209 * [taylor]: Taking taylor expansion of 0.5 in y
0.209 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.209 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.209 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.209 * [taylor]: Taking taylor expansion of x in y
0.209 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.209 * [taylor]: Taking taylor expansion of y in y
0.209 * [taylor]: Taking taylor expansion of (* x y) in y
0.209 * [taylor]: Taking taylor expansion of x in y
0.209 * [taylor]: Taking taylor expansion of y in y
0.209 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.209 * [taylor]: Taking taylor expansion of 0.5 in x
0.209 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.209 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.209 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.209 * [taylor]: Taking taylor expansion of x in x
0.209 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.209 * [taylor]: Taking taylor expansion of y in x
0.209 * [taylor]: Taking taylor expansion of (* x y) in x
0.210 * [taylor]: Taking taylor expansion of x in x
0.210 * [taylor]: Taking taylor expansion of y in x
0.210 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.210 * [taylor]: Taking taylor expansion of 0.5 in x
0.210 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.210 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.210 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.210 * [taylor]: Taking taylor expansion of x in x
0.210 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.210 * [taylor]: Taking taylor expansion of y in x
0.210 * [taylor]: Taking taylor expansion of (* x y) in x
0.210 * [taylor]: Taking taylor expansion of x in x
0.210 * [taylor]: Taking taylor expansion of y in x
0.210 * [taylor]: Taking taylor expansion of 0 in y
0.210 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.210 * [taylor]: Taking taylor expansion of 0.5 in y
0.210 * [taylor]: Taking taylor expansion of y in y
0.210 * [taylor]: Taking taylor expansion of (neg 0.5) in y
0.210 * [taylor]: Taking taylor expansion of 0.5 in y
0.211 * [taylor]: Taking taylor expansion of 0 in y
0.211 * [taylor]: Taking taylor expansion of 0 in y
0.212 * [taylor]: Taking taylor expansion of 0 in y
0.212 * [approximate]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.212 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.212 * [taylor]: Taking taylor expansion of 0.5 in y
0.213 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.213 * [taylor]: Taking taylor expansion of x in y
0.213 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.213 * [taylor]: Taking taylor expansion of y in y
0.213 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.213 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.213 * [taylor]: Taking taylor expansion of y in y
0.213 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.213 * [taylor]: Taking taylor expansion of x in y
0.213 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.213 * [taylor]: Taking taylor expansion of 0.5 in x
0.213 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.213 * [taylor]: Taking taylor expansion of x in x
0.213 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.213 * [taylor]: Taking taylor expansion of y in x
0.213 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.213 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.213 * [taylor]: Taking taylor expansion of y in x
0.213 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.213 * [taylor]: Taking taylor expansion of x in x
0.213 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.213 * [taylor]: Taking taylor expansion of 0.5 in x
0.213 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.213 * [taylor]: Taking taylor expansion of x in x
0.213 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.213 * [taylor]: Taking taylor expansion of y in x
0.213 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.213 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.213 * [taylor]: Taking taylor expansion of y in x
0.213 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.213 * [taylor]: Taking taylor expansion of x in x
0.213 * [taylor]: Taking taylor expansion of 0 in y
0.213 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y
0.213 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.214 * [taylor]: Taking taylor expansion of 0.5 in y
0.214 * [taylor]: Taking taylor expansion of y in y
0.214 * [taylor]: Taking taylor expansion of 0.5 in y
0.214 * [taylor]: Taking taylor expansion of 0 in y
0.215 * [taylor]: Taking taylor expansion of 0 in y
0.215 * [taylor]: Taking taylor expansion of 0 in y
0.216 * * * [progress]: simplifying candidates
0.216 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (-.f64 (log.f64 (-.f64 x y)) (+.f64 (+.f64 (log.f64 x) (log.f64 2.0)) (log.f64 y)))
  (-.f64 (log.f64 (-.f64 x y)) (+.f64 (log.f64 (*.f64 x 2.0)) (log.f64 y)))
  (-.f64 (log.f64 (-.f64 x y)) (log.f64 (*.f64 (*.f64 x 2.0) y)))
  (log.f64 (/.f64 (-.f64 x y) (*.f64 (*.f64 x 2.0) y)))
  (exp.f64 (/.f64 (-.f64 x y) (*.f64 (*.f64 x 2.0) y)))
  (/.f64 (*.f64 (*.f64 (-.f64 x y) (-.f64 x y)) (-.f64 x y)) (*.f64 (*.f64 (*.f64 (*.f64 x x) x) (*.f64 (*.f64 2.0 2.0) 2.0)) (*.f64 (*.f64 y y) y)))
  (/.f64 (*.f64 (*.f64 (-.f64 x y) (-.f64 x y)) (-.f64 x y)) (*.f64 (*.f64 (*.f64 (*.f64 x 2.0) (*.f64 x 2.0)) (*.f64 x 2.0)) (*.f64 (*.f64 y y) y)))
  (/.f64 (*.f64 (*.f64 (-.f64 x y) (-.f64 x y)) (-.f64 x y)) (*.f64 (*.f64 (*.f64 (*.f64 x 2.0) y) (*.f64 (*.f64 x 2.0) y)) (*.f64 (*.f64 x 2.0) y)))
  (*.f64 (cbrt.f64 (/.f64 (-.f64 x y) (*.f64 (*.f64 x 2.0) y))) (cbrt.f64 (/.f64 (-.f64 x y) (*.f64 (*.f64 x 2.0) y))))
  (cbrt.f64 (/.f64 (-.f64 x y) (*.f64 (*.f64 x 2.0) y)))
  (*.f64 (*.f64 (/.f64 (-.f64 x y) (*.f64 (*.f64 x 2.0) y)) (/.f64 (-.f64 x y) (*.f64 (*.f64 x 2.0) y))) (/.f64 (-.f64 x y) (*.f64 (*.f64 x 2.0) y)))
  (sqrt.f64 (/.f64 (-.f64 x y) (*.f64 (*.f64 x 2.0) y)))
  (sqrt.f64 (/.f64 (-.f64 x y) (*.f64 (*.f64 x 2.0) y)))
  (neg.f64 (-.f64 x y))
  (neg.f64 (*.f64 (*.f64 x 2.0) y))
  (/.f64 x (*.f64 (*.f64 x 2.0) y))
  (/.f64 y (*.f64 (*.f64 x 2.0) y))
  (/.f64 (*.f64 (cbrt.f64 (-.f64 x y)) (cbrt.f64 (-.f64 x y))) (*.f64 x 2.0))
  (/.f64 (cbrt.f64 (-.f64 x y)) y)
  (/.f64 (sqrt.f64 (-.f64 x y)) (*.f64 x 2.0))
  (/.f64 (sqrt.f64 (-.f64 x y)) y)
  (/.f64 1 (*.f64 x 2.0))
  (/.f64 (-.f64 x y) y)
  (/.f64 (+.f64 (sqrt.f64 x) (sqrt.f64 y)) (*.f64 x 2.0))
  (/.f64 (-.f64 (sqrt.f64 x) (sqrt.f64 y)) y)
  (/.f64 1 (*.f64 x 2.0))
  (/.f64 (-.f64 x y) y)
  (/.f64 1 (*.f64 (*.f64 x 2.0) y))
  (/.f64 (*.f64 (*.f64 x 2.0) y) (-.f64 x y))
  (/.f64 (-.f64 x y) (*.f64 x 2.0))
  (/.f64 (*.f64 (*.f64 x 2.0) y) (cbrt.f64 (-.f64 x y)))
  (/.f64 (*.f64 (*.f64 x 2.0) y) (sqrt.f64 (-.f64 x y)))
  (/.f64 (*.f64 (*.f64 x 2.0) y) (-.f64 x y))
  (/.f64 (*.f64 (*.f64 x 2.0) y) (-.f64 (sqrt.f64 x) (sqrt.f64 y)))
  (/.f64 (*.f64 (*.f64 x 2.0) y) (-.f64 x y))
  (*.f64 (*.f64 (*.f64 x 2.0) y) (+.f64 (*.f64 x x) (+.f64 (*.f64 y y) (*.f64 x y))))
  (*.f64 (*.f64 (*.f64 x 2.0) y) (+.f64 x y))
  (-.f64 (*.f64 0.5 (/.f64 1 y)) (*.f64 0.5 (/.f64 1 x)))
  (-.f64 (*.f64 0.5 (/.f64 1 y)) (*.f64 0.5 (/.f64 1 x)))
  (-.f64 (*.f64 0.5 (/.f64 1 y)) (*.f64 0.5 (/.f64 1 x)))
0.249 * * [simplify]: iteration  0 :  6066  enodes  (cost  350 )
0.252 * [simplify]: Simplified to:
   (log.f64 (/.f64 (-.f64 x y) (*.f64 y (*.f64 x 2.0))))
  (log.f64 (/.f64 (-.f64 x y) (*.f64 y (*.f64 x 2.0))))
  (log.f64 (/.f64 (-.f64 x y) (*.f64 y (*.f64 x 2.0))))
  (log.f64 (/.f64 (-.f64 x y) (*.f64 y (*.f64 x 2.0))))
  (exp.f64 (/.f64 (-.f64 x y) (*.f64 y (*.f64 x 2.0))))
  (pow.f64 (/.f64 (-.f64 x y) (*.f64 y (*.f64 x 2.0))) 3)
  (pow.f64 (/.f64 (-.f64 x y) (*.f64 y (*.f64 x 2.0))) 3)
  (pow.f64 (/.f64 (-.f64 x y) (*.f64 y (*.f64 x 2.0))) 3)
  (*.f64 (cbrt.f64 (/.f64 (-.f64 x y) (*.f64 y (*.f64 x 2.0)))) (cbrt.f64 (/.f64 (-.f64 x y) (*.f64 y (*.f64 x 2.0)))))
  (cbrt.f64 (/.f64 (-.f64 x y) (*.f64 y (*.f64 x 2.0))))
  (pow.f64 (/.f64 (-.f64 x y) (*.f64 y (*.f64 x 2.0))) 3)
  (sqrt.f64 (/.f64 (-.f64 x y) (*.f64 y (*.f64 x 2.0))))
  (sqrt.f64 (/.f64 (-.f64 x y) (*.f64 y (*.f64 x 2.0))))
  (-.f64 y x)
  (neg.f64 (*.f64 y (*.f64 x 2.0)))
  (/.f64 1 (*.f64 y 2.0))
  (/.f64 1 (*.f64 x 2.0))
  (/.f64 (*.f64 (cbrt.f64 (-.f64 x y)) (cbrt.f64 (-.f64 x y))) (*.f64 x 2.0))
  (/.f64 (cbrt.f64 (-.f64 x y)) y)
  (/.f64 (sqrt.f64 (-.f64 x y)) (*.f64 x 2.0))
  (/.f64 (sqrt.f64 (-.f64 x y)) y)
  (/.f64 1 (*.f64 x 2.0))
  (/.f64 (-.f64 x y) y)
  (/.f64 (+.f64 (sqrt.f64 x) (sqrt.f64 y)) (*.f64 x 2.0))
  (/.f64 (-.f64 (sqrt.f64 x) (sqrt.f64 y)) y)
  (/.f64 1 (*.f64 x 2.0))
  (/.f64 (-.f64 x y) y)
  (/.f64 1 (*.f64 y (*.f64 x 2.0)))
  (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y))
  (/.f64 (-.f64 x y) (*.f64 x 2.0))
  (/.f64 (*.f64 x 2.0) (/.f64 (cbrt.f64 (-.f64 x y)) y))
  (/.f64 y (/.f64 (sqrt.f64 (-.f64 x y)) (*.f64 x 2.0)))
  (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y))
  (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 (sqrt.f64 x) (sqrt.f64 y)) y))
  (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y))
  (*.f64 (*.f64 y (*.f64 x 2.0)) (+.f64 (*.f64 x x) (*.f64 y (+.f64 x y))))
  (*.f64 (*.f64 y (*.f64 x 2.0)) (+.f64 x y))
  (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))
  (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))
  (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))
0.252 * * * [progress]: adding candidates to table
0.283 * * [progress]: iteration 2 / 4
0.283 * * * [progress]: picking best candidate
0.288 * * * * [pick]: Picked  #<alt (λ (x y) (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))>
0.288 * * * [progress]: localizing error
0.292 * * * [progress]: generating rewritten candidates
0.292 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.306 * * * [progress]: generating series expansions
0.306 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.307 * [approximate]: Taking taylor expansion of (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (y x) around 0
0.307 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.307 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.307 * [taylor]: Taking taylor expansion of 0.5 in x
0.307 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.307 * [taylor]: Taking taylor expansion of y in x
0.307 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.307 * [taylor]: Taking taylor expansion of 0.5 in x
0.307 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.307 * [taylor]: Taking taylor expansion of x in x
0.307 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.307 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.307 * [taylor]: Taking taylor expansion of 0.5 in y
0.307 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.307 * [taylor]: Taking taylor expansion of y in y
0.307 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.307 * [taylor]: Taking taylor expansion of 0.5 in y
0.307 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.307 * [taylor]: Taking taylor expansion of x in y
0.307 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.307 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.307 * [taylor]: Taking taylor expansion of 0.5 in y
0.307 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.307 * [taylor]: Taking taylor expansion of y in y
0.307 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.307 * [taylor]: Taking taylor expansion of 0.5 in y
0.307 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.307 * [taylor]: Taking taylor expansion of x in y
0.307 * [taylor]: Taking taylor expansion of 0.5 in x
0.308 * [taylor]: Taking taylor expansion of (neg (* 0.5 (/ 1 x))) in x
0.308 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.308 * [taylor]: Taking taylor expansion of 0.5 in x
0.308 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.308 * [taylor]: Taking taylor expansion of x in x
0.308 * [taylor]: Taking taylor expansion of 0 in x
0.308 * [taylor]: Taking taylor expansion of 0 in x
0.309 * [taylor]: Taking taylor expansion of 0 in x
0.309 * [approximate]: Taking taylor expansion of (- (* 0.5 y) (* 0.5 x)) in (y x) around 0
0.309 * [taylor]: Taking taylor expansion of (- (* 0.5 y) (* 0.5 x)) in x
0.309 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.309 * [taylor]: Taking taylor expansion of 0.5 in x
0.309 * [taylor]: Taking taylor expansion of y in x
0.309 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.309 * [taylor]: Taking taylor expansion of 0.5 in x
0.309 * [taylor]: Taking taylor expansion of x in x
0.309 * [taylor]: Taking taylor expansion of (- (* 0.5 y) (* 0.5 x)) in y
0.309 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.309 * [taylor]: Taking taylor expansion of 0.5 in y
0.309 * [taylor]: Taking taylor expansion of y in y
0.309 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.309 * [taylor]: Taking taylor expansion of 0.5 in y
0.309 * [taylor]: Taking taylor expansion of x in y
0.309 * [taylor]: Taking taylor expansion of (- (* 0.5 y) (* 0.5 x)) in y
0.309 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.309 * [taylor]: Taking taylor expansion of 0.5 in y
0.309 * [taylor]: Taking taylor expansion of y in y
0.309 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.309 * [taylor]: Taking taylor expansion of 0.5 in y
0.309 * [taylor]: Taking taylor expansion of x in y
0.310 * [taylor]: Taking taylor expansion of (neg (* 0.5 x)) in x
0.310 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.310 * [taylor]: Taking taylor expansion of 0.5 in x
0.310 * [taylor]: Taking taylor expansion of x in x
0.310 * [taylor]: Taking taylor expansion of 0.5 in x
0.310 * [taylor]: Taking taylor expansion of 0 in x
0.310 * [taylor]: Taking taylor expansion of 0 in x
0.310 * [approximate]: Taking taylor expansion of (- (* 0.5 x) (* 0.5 y)) in (y x) around 0
0.310 * [taylor]: Taking taylor expansion of (- (* 0.5 x) (* 0.5 y)) in x
0.310 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.311 * [taylor]: Taking taylor expansion of 0.5 in x
0.311 * [taylor]: Taking taylor expansion of x in x
0.311 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.311 * [taylor]: Taking taylor expansion of 0.5 in x
0.311 * [taylor]: Taking taylor expansion of y in x
0.311 * [taylor]: Taking taylor expansion of (- (* 0.5 x) (* 0.5 y)) in y
0.311 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.311 * [taylor]: Taking taylor expansion of 0.5 in y
0.311 * [taylor]: Taking taylor expansion of x in y
0.311 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.311 * [taylor]: Taking taylor expansion of 0.5 in y
0.311 * [taylor]: Taking taylor expansion of y in y
0.311 * [taylor]: Taking taylor expansion of (- (* 0.5 x) (* 0.5 y)) in y
0.311 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.311 * [taylor]: Taking taylor expansion of 0.5 in y
0.311 * [taylor]: Taking taylor expansion of x in y
0.311 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.311 * [taylor]: Taking taylor expansion of 0.5 in y
0.311 * [taylor]: Taking taylor expansion of y in y
0.311 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.311 * [taylor]: Taking taylor expansion of 0.5 in x
0.311 * [taylor]: Taking taylor expansion of x in x
0.311 * [taylor]: Taking taylor expansion of (neg 0.5) in x
0.311 * [taylor]: Taking taylor expansion of 0.5 in x
0.311 * [taylor]: Taking taylor expansion of 0 in x
0.312 * [taylor]: Taking taylor expansion of 0 in x
0.312 * * * [progress]: simplifying candidates
0.312 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/.f64 (exp.f64 (/.f64 0.5 y)) (exp.f64 (/.f64 0.5 x)))
  (log.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))
  (exp.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))
  (*.f64 (cbrt.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))) (cbrt.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))))
  (cbrt.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))
  (*.f64 (*.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)) (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))) (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))
  (sqrt.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))
  (sqrt.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))
  (-.f64 (*.f64 0.5 x) (*.f64 y 0.5))
  (*.f64 y x)
  (-.f64 (pow.f64 (/.f64 0.5 y) 3) (pow.f64 (/.f64 0.5 x) 3))
  (+.f64 (*.f64 (/.f64 0.5 y) (/.f64 0.5 y)) (+.f64 (*.f64 (/.f64 0.5 x) (/.f64 0.5 x)) (*.f64 (/.f64 0.5 y) (/.f64 0.5 x))))
  (neg.f64 (/.f64 0.5 x))
  (-.f64 (*.f64 (/.f64 0.5 y) (/.f64 0.5 y)) (*.f64 (/.f64 0.5 x) (/.f64 0.5 x)))
  (+.f64 (/.f64 0.5 y) (/.f64 0.5 x))
  (+.f64 (sqrt.f64 (/.f64 0.5 y)) (sqrt.f64 (/.f64 0.5 x)))
  (-.f64 (sqrt.f64 (/.f64 0.5 y)) (sqrt.f64 (/.f64 0.5 x)))
  (+.f64 (sqrt.f64 (/.f64 0.5 y)) (/.f64 (sqrt.f64 0.5) (sqrt.f64 x)))
  (-.f64 (sqrt.f64 (/.f64 0.5 y)) (/.f64 (sqrt.f64 0.5) (sqrt.f64 x)))
  (+.f64 (/.f64 (sqrt.f64 0.5) (sqrt.f64 y)) (sqrt.f64 (/.f64 0.5 x)))
  (-.f64 (/.f64 (sqrt.f64 0.5) (sqrt.f64 y)) (sqrt.f64 (/.f64 0.5 x)))
  (+.f64 (/.f64 (sqrt.f64 0.5) (sqrt.f64 y)) (/.f64 (sqrt.f64 0.5) (sqrt.f64 x)))
  (-.f64 (/.f64 (sqrt.f64 0.5) (sqrt.f64 y)) (/.f64 (sqrt.f64 0.5) (sqrt.f64 x)))
  (-.f64 (/.f64 (cbrt.f64 0.5) y) (/.f64 (cbrt.f64 0.5) x))
  (-.f64 (/.f64 (sqrt.f64 0.5) y) (/.f64 (sqrt.f64 0.5) x))
  (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))
  (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))
  (-.f64 (/.f64 1 y) (/.f64 1 x))
  (-.f64 (*.f64 0.5 (/.f64 1 y)) (*.f64 0.5 (/.f64 1 x)))
  (-.f64 (*.f64 0.5 (/.f64 1 y)) (*.f64 0.5 (/.f64 1 x)))
  (-.f64 (*.f64 0.5 (/.f64 1 y)) (*.f64 0.5 (/.f64 1 x)))
0.357 * * [simplify]: iteration  0 :  4896  enodes  (cost  274 )
0.357 * * [simplify]: iteration  1 :  4896  enodes  (cost  274 )
0.359 * [simplify]: Simplified to:
   (exp.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))
  (log.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))
  (exp.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))
  (*.f64 (cbrt.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))) (cbrt.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))))
  (cbrt.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))
  (pow.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)) 3)
  (sqrt.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))
  (sqrt.f64 (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))
  (*.f64 0.5 (-.f64 x y))
  (*.f64 y x)
  (-.f64 (pow.f64 (/.f64 0.5 y) 3) (pow.f64 (/.f64 0.5 x) 3))
  (*.f64 0.5 (+.f64 (/.f64 0.5 (*.f64 y y)) (/.f64 (+.f64 (/.f64 0.5 y) (/.f64 0.5 x)) x)))
  (neg.f64 (/.f64 0.5 x))
  (*.f64 0.5 (-.f64 (/.f64 0.5 (*.f64 y y)) (/.f64 0.5 (*.f64 x x))))
  (+.f64 (/.f64 0.5 y) (/.f64 0.5 x))
  (+.f64 (sqrt.f64 (/.f64 0.5 y)) (sqrt.f64 (/.f64 0.5 x)))
  (-.f64 (sqrt.f64 (/.f64 0.5 y)) (sqrt.f64 (/.f64 0.5 x)))
  (+.f64 (sqrt.f64 (/.f64 0.5 y)) (/.f64 (sqrt.f64 0.5) (sqrt.f64 x)))
  (-.f64 (sqrt.f64 (/.f64 0.5 y)) (/.f64 (sqrt.f64 0.5) (sqrt.f64 x)))
  (+.f64 (sqrt.f64 (/.f64 0.5 x)) (/.f64 (sqrt.f64 0.5) (sqrt.f64 y)))
  (-.f64 (/.f64 (sqrt.f64 0.5) (sqrt.f64 y)) (sqrt.f64 (/.f64 0.5 x)))
  (+.f64 (/.f64 (sqrt.f64 0.5) (sqrt.f64 x)) (/.f64 (sqrt.f64 0.5) (sqrt.f64 y)))
  (-.f64 (/.f64 (sqrt.f64 0.5) (sqrt.f64 y)) (/.f64 (sqrt.f64 0.5) (sqrt.f64 x)))
  (-.f64 (/.f64 (cbrt.f64 0.5) y) (/.f64 (cbrt.f64 0.5) x))
  (-.f64 (/.f64 (sqrt.f64 0.5) y) (/.f64 (sqrt.f64 0.5) x))
  (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))
  (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))
  (-.f64 (/.f64 1 y) (/.f64 1 x))
  (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))
  (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))
  (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))
0.359 * * * [progress]: adding candidates to table
0.381 * * [progress]: iteration 3 / 4
0.381 * * * [progress]: picking best candidate
0.384 * * * * [pick]: Picked  #<alt (λ (x y) (/.f64 1 (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y))))>
0.384 * * * [progress]: localizing error
0.391 * * * [progress]: generating rewritten candidates
0.391 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2)
0.400 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 2)
0.406 * * * * [progress]: [ 3 / 3 ] rewriting at (2)
0.433 * * * [progress]: generating series expansions
0.433 * * * * [progress]: [ 1 / 3 ] generating series at (2 2)
0.433 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.433 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.433 * [taylor]: Taking taylor expansion of 2.0 in y
0.433 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.433 * [taylor]: Taking taylor expansion of (* x y) in y
0.433 * [taylor]: Taking taylor expansion of x in y
0.433 * [taylor]: Taking taylor expansion of y in y
0.433 * [taylor]: Taking taylor expansion of (- x y) in y
0.433 * [taylor]: Taking taylor expansion of x in y
0.433 * [taylor]: Taking taylor expansion of y in y
0.433 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.433 * [taylor]: Taking taylor expansion of 2.0 in x
0.433 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.433 * [taylor]: Taking taylor expansion of (* x y) in x
0.433 * [taylor]: Taking taylor expansion of x in x
0.434 * [taylor]: Taking taylor expansion of y in x
0.434 * [taylor]: Taking taylor expansion of (- x y) in x
0.434 * [taylor]: Taking taylor expansion of x in x
0.434 * [taylor]: Taking taylor expansion of y in x
0.434 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.434 * [taylor]: Taking taylor expansion of 2.0 in x
0.434 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.434 * [taylor]: Taking taylor expansion of (* x y) in x
0.434 * [taylor]: Taking taylor expansion of x in x
0.434 * [taylor]: Taking taylor expansion of y in x
0.434 * [taylor]: Taking taylor expansion of (- x y) in x
0.434 * [taylor]: Taking taylor expansion of x in x
0.434 * [taylor]: Taking taylor expansion of y in x
0.434 * [taylor]: Taking taylor expansion of -2.0 in y
0.434 * [taylor]: Taking taylor expansion of (neg (* 2.0 (/ 1 y))) in y
0.434 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.434 * [taylor]: Taking taylor expansion of 2.0 in y
0.434 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.434 * [taylor]: Taking taylor expansion of y in y
0.435 * [taylor]: Taking taylor expansion of (neg (* 2.0 (/ 1 (pow y 2)))) in y
0.435 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.435 * [taylor]: Taking taylor expansion of 2.0 in y
0.435 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.435 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.435 * [taylor]: Taking taylor expansion of y in y
0.436 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.436 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.436 * [taylor]: Taking taylor expansion of 2.0 in y
0.436 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.436 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.436 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.436 * [taylor]: Taking taylor expansion of x in y
0.436 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.436 * [taylor]: Taking taylor expansion of y in y
0.436 * [taylor]: Taking taylor expansion of (* x y) in y
0.436 * [taylor]: Taking taylor expansion of x in y
0.436 * [taylor]: Taking taylor expansion of y in y
0.436 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.436 * [taylor]: Taking taylor expansion of 2.0 in x
0.436 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.436 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.436 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.436 * [taylor]: Taking taylor expansion of x in x
0.436 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.436 * [taylor]: Taking taylor expansion of y in x
0.436 * [taylor]: Taking taylor expansion of (* x y) in x
0.436 * [taylor]: Taking taylor expansion of x in x
0.436 * [taylor]: Taking taylor expansion of y in x
0.437 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.437 * [taylor]: Taking taylor expansion of 2.0 in x
0.437 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.437 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.437 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.437 * [taylor]: Taking taylor expansion of x in x
0.437 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.437 * [taylor]: Taking taylor expansion of y in x
0.437 * [taylor]: Taking taylor expansion of (* x y) in x
0.437 * [taylor]: Taking taylor expansion of x in x
0.437 * [taylor]: Taking taylor expansion of y in x
0.437 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.437 * [taylor]: Taking taylor expansion of 2.0 in y
0.437 * [taylor]: Taking taylor expansion of y in y
0.438 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.438 * [taylor]: Taking taylor expansion of 2.0 in y
0.438 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.438 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.438 * [taylor]: Taking taylor expansion of y in y
0.439 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.439 * [taylor]: Taking taylor expansion of 2.0 in y
0.439 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.439 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.439 * [taylor]: Taking taylor expansion of y in y
0.440 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.440 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.440 * [taylor]: Taking taylor expansion of 2.0 in y
0.440 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.440 * [taylor]: Taking taylor expansion of x in y
0.440 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.440 * [taylor]: Taking taylor expansion of y in y
0.440 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.440 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.440 * [taylor]: Taking taylor expansion of y in y
0.440 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.440 * [taylor]: Taking taylor expansion of x in y
0.440 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.440 * [taylor]: Taking taylor expansion of 2.0 in x
0.440 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.440 * [taylor]: Taking taylor expansion of x in x
0.440 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.440 * [taylor]: Taking taylor expansion of y in x
0.440 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.440 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.440 * [taylor]: Taking taylor expansion of y in x
0.440 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.440 * [taylor]: Taking taylor expansion of x in x
0.440 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.441 * [taylor]: Taking taylor expansion of 2.0 in x
0.441 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.441 * [taylor]: Taking taylor expansion of x in x
0.441 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.441 * [taylor]: Taking taylor expansion of y in x
0.441 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.441 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.441 * [taylor]: Taking taylor expansion of y in x
0.441 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.441 * [taylor]: Taking taylor expansion of x in x
0.441 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.441 * [taylor]: Taking taylor expansion of -2.0 in y
0.441 * [taylor]: Taking taylor expansion of y in y
0.441 * [taylor]: Taking taylor expansion of (neg (* 2.0 (/ 1 (pow y 2)))) in y
0.441 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.442 * [taylor]: Taking taylor expansion of 2.0 in y
0.442 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.442 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.442 * [taylor]: Taking taylor expansion of y in y
0.442 * [taylor]: Taking taylor expansion of (neg (* 2.0 (/ 1 (pow y 3)))) in y
0.442 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.442 * [taylor]: Taking taylor expansion of 2.0 in y
0.442 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.443 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.443 * [taylor]: Taking taylor expansion of y in y
0.443 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 2)
0.443 * [approximate]: Taking taylor expansion of (/ (- x y) y) in (x y) around 0
0.443 * [taylor]: Taking taylor expansion of (/ (- x y) y) in y
0.443 * [taylor]: Taking taylor expansion of (- x y) in y
0.443 * [taylor]: Taking taylor expansion of x in y
0.443 * [taylor]: Taking taylor expansion of y in y
0.444 * [taylor]: Taking taylor expansion of y in y
0.444 * [taylor]: Taking taylor expansion of (/ (- x y) y) in x
0.444 * [taylor]: Taking taylor expansion of (- x y) in x
0.444 * [taylor]: Taking taylor expansion of x in x
0.444 * [taylor]: Taking taylor expansion of y in x
0.444 * [taylor]: Taking taylor expansion of y in x
0.444 * [taylor]: Taking taylor expansion of (/ (- x y) y) in x
0.444 * [taylor]: Taking taylor expansion of (- x y) in x
0.444 * [taylor]: Taking taylor expansion of x in x
0.444 * [taylor]: Taking taylor expansion of y in x
0.444 * [taylor]: Taking taylor expansion of y in x
0.444 * [taylor]: Taking taylor expansion of -1 in y
0.444 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.444 * [taylor]: Taking taylor expansion of y in y
0.444 * [taylor]: Taking taylor expansion of 0 in y
0.444 * [taylor]: Taking taylor expansion of 0 in y
0.445 * [taylor]: Taking taylor expansion of 0 in y
0.445 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in (x y) around 0
0.445 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.445 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.445 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.445 * [taylor]: Taking taylor expansion of x in y
0.445 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.445 * [taylor]: Taking taylor expansion of y in y
0.445 * [taylor]: Taking taylor expansion of y in y
0.445 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.445 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.445 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.445 * [taylor]: Taking taylor expansion of x in x
0.445 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.445 * [taylor]: Taking taylor expansion of y in x
0.445 * [taylor]: Taking taylor expansion of y in x
0.445 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.445 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.445 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.445 * [taylor]: Taking taylor expansion of x in x
0.445 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.445 * [taylor]: Taking taylor expansion of y in x
0.445 * [taylor]: Taking taylor expansion of y in x
0.445 * [taylor]: Taking taylor expansion of y in y
0.446 * [taylor]: Taking taylor expansion of -1 in y
0.446 * [taylor]: Taking taylor expansion of 0 in y
0.446 * [taylor]: Taking taylor expansion of 0 in y
0.446 * [taylor]: Taking taylor expansion of 0 in y
0.447 * [approximate]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.447 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in y
0.447 * [taylor]: Taking taylor expansion of -1 in y
0.447 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.447 * [taylor]: Taking taylor expansion of y in y
0.447 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.447 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.447 * [taylor]: Taking taylor expansion of y in y
0.447 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.447 * [taylor]: Taking taylor expansion of x in y
0.447 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in x
0.447 * [taylor]: Taking taylor expansion of -1 in x
0.447 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.447 * [taylor]: Taking taylor expansion of y in x
0.447 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.447 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.447 * [taylor]: Taking taylor expansion of y in x
0.447 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.447 * [taylor]: Taking taylor expansion of x in x
0.447 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in x
0.447 * [taylor]: Taking taylor expansion of -1 in x
0.447 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.447 * [taylor]: Taking taylor expansion of y in x
0.447 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.447 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.447 * [taylor]: Taking taylor expansion of y in x
0.447 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.447 * [taylor]: Taking taylor expansion of x in x
0.447 * [taylor]: Taking taylor expansion of y in y
0.448 * [taylor]: Taking taylor expansion of -1 in y
0.448 * [taylor]: Taking taylor expansion of 0 in y
0.448 * [taylor]: Taking taylor expansion of 0 in y
0.449 * [taylor]: Taking taylor expansion of 0 in y
0.449 * * * * [progress]: [ 3 / 3 ] generating series at (2)
0.449 * [approximate]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in (x y) around 0
0.449 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in y
0.449 * [taylor]: Taking taylor expansion of 0.5 in y
0.449 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in y
0.449 * [taylor]: Taking taylor expansion of (- x y) in y
0.449 * [taylor]: Taking taylor expansion of x in y
0.449 * [taylor]: Taking taylor expansion of y in y
0.449 * [taylor]: Taking taylor expansion of (* x y) in y
0.449 * [taylor]: Taking taylor expansion of x in y
0.449 * [taylor]: Taking taylor expansion of y in y
0.449 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
0.449 * [taylor]: Taking taylor expansion of 0.5 in x
0.449 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
0.449 * [taylor]: Taking taylor expansion of (- x y) in x
0.449 * [taylor]: Taking taylor expansion of x in x
0.449 * [taylor]: Taking taylor expansion of y in x
0.449 * [taylor]: Taking taylor expansion of (* x y) in x
0.449 * [taylor]: Taking taylor expansion of x in x
0.449 * [taylor]: Taking taylor expansion of y in x
0.449 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
0.449 * [taylor]: Taking taylor expansion of 0.5 in x
0.449 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
0.449 * [taylor]: Taking taylor expansion of (- x y) in x
0.449 * [taylor]: Taking taylor expansion of x in x
0.450 * [taylor]: Taking taylor expansion of y in x
0.450 * [taylor]: Taking taylor expansion of (* x y) in x
0.450 * [taylor]: Taking taylor expansion of x in x
0.450 * [taylor]: Taking taylor expansion of y in x
0.450 * [taylor]: Taking taylor expansion of -0.5 in y
0.450 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.450 * [taylor]: Taking taylor expansion of 0.5 in y
0.450 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.450 * [taylor]: Taking taylor expansion of y in y
0.450 * [taylor]: Taking taylor expansion of 0 in y
0.451 * [taylor]: Taking taylor expansion of 0 in y
0.451 * [taylor]: Taking taylor expansion of 0 in y
0.451 * [approximate]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.451 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.452 * [taylor]: Taking taylor expansion of 0.5 in y
0.452 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.452 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.452 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.452 * [taylor]: Taking taylor expansion of x in y
0.452 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.452 * [taylor]: Taking taylor expansion of y in y
0.452 * [taylor]: Taking taylor expansion of (* x y) in y
0.452 * [taylor]: Taking taylor expansion of x in y
0.452 * [taylor]: Taking taylor expansion of y in y
0.452 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.452 * [taylor]: Taking taylor expansion of 0.5 in x
0.452 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.452 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.452 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.452 * [taylor]: Taking taylor expansion of x in x
0.452 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.452 * [taylor]: Taking taylor expansion of y in x
0.452 * [taylor]: Taking taylor expansion of (* x y) in x
0.452 * [taylor]: Taking taylor expansion of x in x
0.452 * [taylor]: Taking taylor expansion of y in x
0.452 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.452 * [taylor]: Taking taylor expansion of 0.5 in x
0.452 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.452 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.452 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.452 * [taylor]: Taking taylor expansion of x in x
0.452 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.452 * [taylor]: Taking taylor expansion of y in x
0.452 * [taylor]: Taking taylor expansion of (* x y) in x
0.452 * [taylor]: Taking taylor expansion of x in x
0.452 * [taylor]: Taking taylor expansion of y in x
0.452 * [taylor]: Taking taylor expansion of 0 in y
0.452 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.453 * [taylor]: Taking taylor expansion of 0.5 in y
0.453 * [taylor]: Taking taylor expansion of y in y
0.453 * [taylor]: Taking taylor expansion of (neg 0.5) in y
0.453 * [taylor]: Taking taylor expansion of 0.5 in y
0.453 * [taylor]: Taking taylor expansion of 0 in y
0.454 * [taylor]: Taking taylor expansion of 0 in y
0.455 * [taylor]: Taking taylor expansion of 0 in y
0.455 * [approximate]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.455 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.455 * [taylor]: Taking taylor expansion of 0.5 in y
0.455 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.455 * [taylor]: Taking taylor expansion of x in y
0.455 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.455 * [taylor]: Taking taylor expansion of y in y
0.455 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.455 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.455 * [taylor]: Taking taylor expansion of y in y
0.455 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.455 * [taylor]: Taking taylor expansion of x in y
0.455 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.455 * [taylor]: Taking taylor expansion of 0.5 in x
0.455 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.455 * [taylor]: Taking taylor expansion of x in x
0.455 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.455 * [taylor]: Taking taylor expansion of y in x
0.455 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.455 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.455 * [taylor]: Taking taylor expansion of y in x
0.455 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.455 * [taylor]: Taking taylor expansion of x in x
0.455 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.455 * [taylor]: Taking taylor expansion of 0.5 in x
0.455 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.455 * [taylor]: Taking taylor expansion of x in x
0.455 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.455 * [taylor]: Taking taylor expansion of y in x
0.455 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.455 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.455 * [taylor]: Taking taylor expansion of y in x
0.456 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.456 * [taylor]: Taking taylor expansion of x in x
0.456 * [taylor]: Taking taylor expansion of 0 in y
0.456 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y
0.456 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.456 * [taylor]: Taking taylor expansion of 0.5 in y
0.456 * [taylor]: Taking taylor expansion of y in y
0.456 * [taylor]: Taking taylor expansion of 0.5 in y
0.457 * [taylor]: Taking taylor expansion of 0 in y
0.458 * [taylor]: Taking taylor expansion of 0 in y
0.459 * [taylor]: Taking taylor expansion of 0 in y
0.459 * * * [progress]: simplifying candidates
0.462 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
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  0
  0
  0
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0.505 * * [simplify]: iteration  0 :  5358  enodes  (cost  3059 )
0.518 * [simplify]: Simplified to:
   (log.f64 (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y)))
  (log.f64 (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y)))
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  (pow.f64 (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y)) 3)
  (pow.f64 (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y)) 3)
  (pow.f64 (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y)) 3)
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  (cbrt.f64 (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y)))
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  (neg.f64 (*.f64 x 2.0))
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  (/.f64 1 (sqrt.f64 (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y))))
  (/.f64 1 (sqrt.f64 (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y))))
  (/.f64 (*.f64 (cbrt.f64 (/.f64 (-.f64 x y) y)) (cbrt.f64 (/.f64 (-.f64 x y) y))) x)
  (/.f64 (cbrt.f64 (/.f64 (-.f64 x y) y)) 2.0)
  (/.f64 (sqrt.f64 (/.f64 (-.f64 x y) y)) x)
  (/.f64 (sqrt.f64 (/.f64 (-.f64 x y) y)) 2.0)
  (/.f64 (/.f64 (*.f64 (cbrt.f64 (-.f64 x y)) (cbrt.f64 (-.f64 x y))) (*.f64 (cbrt.f64 y) (cbrt.f64 y))) x)
  (/.f64 (/.f64 (cbrt.f64 (-.f64 x y)) (cbrt.f64 y)) 2.0)
  (/.f64 (/.f64 (*.f64 (cbrt.f64 (-.f64 x y)) (cbrt.f64 (-.f64 x y))) (sqrt.f64 y)) x)
  (/.f64 (/.f64 (cbrt.f64 (-.f64 x y)) (sqrt.f64 y)) 2.0)
  (/.f64 (*.f64 (cbrt.f64 (-.f64 x y)) (cbrt.f64 (-.f64 x y))) x)
  (/.f64 (/.f64 (cbrt.f64 (-.f64 x y)) y) 2.0)
  (/.f64 (/.f64 (sqrt.f64 (-.f64 x y)) (*.f64 (cbrt.f64 y) (cbrt.f64 y))) x)
  (/.f64 (/.f64 (sqrt.f64 (-.f64 x y)) (cbrt.f64 y)) 2.0)
  (/.f64 (/.f64 (sqrt.f64 (-.f64 x y)) (sqrt.f64 y)) x)
  (/.f64 (/.f64 (sqrt.f64 (-.f64 x y)) (sqrt.f64 y)) 2.0)
  (/.f64 (sqrt.f64 (-.f64 x y)) x)
  (/.f64 (/.f64 (sqrt.f64 (-.f64 x y)) y) 2.0)
  (/.f64 1 (*.f64 x (*.f64 (cbrt.f64 y) (cbrt.f64 y))))
  (/.f64 (/.f64 (-.f64 x y) (cbrt.f64 y)) 2.0)
  (/.f64 1 (*.f64 x (sqrt.f64 y)))
  (/.f64 (/.f64 (-.f64 x y) (sqrt.f64 y)) 2.0)
  (/.f64 1 x)
  (/.f64 (-.f64 x y) (*.f64 2.0 y))
  (/.f64 (/.f64 (+.f64 (sqrt.f64 y) (sqrt.f64 x)) (*.f64 (cbrt.f64 y) (cbrt.f64 y))) x)
  (/.f64 (/.f64 (-.f64 (sqrt.f64 x) (sqrt.f64 y)) (cbrt.f64 y)) 2.0)
  (/.f64 (/.f64 (+.f64 (sqrt.f64 y) (sqrt.f64 x)) (sqrt.f64 y)) x)
  (/.f64 (+.f64 (/.f64 (sqrt.f64 x) (sqrt.f64 y)) -1) 2.0)
  (/.f64 (+.f64 (sqrt.f64 y) (sqrt.f64 x)) x)
  (/.f64 (/.f64 (-.f64 (sqrt.f64 x) (sqrt.f64 y)) y) 2.0)
  (/.f64 1 (*.f64 x (*.f64 (cbrt.f64 y) (cbrt.f64 y))))
  (/.f64 (/.f64 (-.f64 x y) (cbrt.f64 y)) 2.0)
  (/.f64 1 (*.f64 x (sqrt.f64 y)))
  (/.f64 (/.f64 (-.f64 x y) (sqrt.f64 y)) 2.0)
  (/.f64 1 x)
  (/.f64 (-.f64 x y) (*.f64 2.0 y))
  (/.f64 1 x)
  (/.f64 (-.f64 x y) (*.f64 2.0 y))
  (/.f64 (-.f64 x y) x)
  (/.f64 1 (*.f64 2.0 y))
  1
  (/.f64 (/.f64 (-.f64 x y) y) (*.f64 x 2.0))
  (/.f64 1 (*.f64 x 2.0))
  (/.f64 (-.f64 x y) y)
  (/.f64 (-.f64 x y) (*.f64 x 2.0))
  (/.f64 1 y)
  (/.f64 (/.f64 (-.f64 x y) y) (*.f64 x 2.0))
  (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y))
  (/.f64 1 (*.f64 (cbrt.f64 (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y))) (cbrt.f64 (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y)))))
  (/.f64 1 (sqrt.f64 (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y))))
  (/.f64 (*.f64 (cbrt.f64 (/.f64 (-.f64 x y) y)) (cbrt.f64 (/.f64 (-.f64 x y) y))) x)
  (/.f64 (sqrt.f64 (/.f64 (-.f64 x y) y)) x)
  (/.f64 (/.f64 (*.f64 (cbrt.f64 (-.f64 x y)) (cbrt.f64 (-.f64 x y))) (*.f64 (cbrt.f64 y) (cbrt.f64 y))) x)
  (/.f64 (/.f64 (*.f64 (cbrt.f64 (-.f64 x y)) (cbrt.f64 (-.f64 x y))) (sqrt.f64 y)) x)
  (/.f64 (*.f64 (cbrt.f64 (-.f64 x y)) (cbrt.f64 (-.f64 x y))) x)
  (/.f64 (/.f64 (sqrt.f64 (-.f64 x y)) (*.f64 (cbrt.f64 y) (cbrt.f64 y))) x)
  (/.f64 (/.f64 (sqrt.f64 (-.f64 x y)) (sqrt.f64 y)) x)
  (/.f64 (sqrt.f64 (-.f64 x y)) x)
  (/.f64 1 (*.f64 x (*.f64 (cbrt.f64 y) (cbrt.f64 y))))
  (/.f64 1 (*.f64 x (sqrt.f64 y)))
  (/.f64 1 x)
  (/.f64 (/.f64 (+.f64 (sqrt.f64 y) (sqrt.f64 x)) (*.f64 (cbrt.f64 y) (cbrt.f64 y))) x)
  (/.f64 (/.f64 (+.f64 (sqrt.f64 y) (sqrt.f64 x)) (sqrt.f64 y)) x)
  (/.f64 (+.f64 (sqrt.f64 y) (sqrt.f64 x)) x)
  (/.f64 1 (*.f64 x (*.f64 (cbrt.f64 y) (cbrt.f64 y))))
  (/.f64 1 (*.f64 x (sqrt.f64 y)))
  (/.f64 1 x)
  (/.f64 1 x)
  (/.f64 (-.f64 x y) x)
  1
  (/.f64 1 (*.f64 x 2.0))
  (/.f64 (-.f64 x y) (*.f64 x 2.0))
  (/.f64 x (/.f64 (cbrt.f64 1) (/.f64 2.0 (/.f64 (-.f64 x y) y))))
  (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y))
  (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y))
  (/.f64 1 (*.f64 x 2.0))
  0
  0
  0
  (/.f64 (-.f64 x y) y)
  (/.f64 (-.f64 x y) y)
  (/.f64 (-.f64 x y) y)
  (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))
  (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))
  (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))
0.519 * * * [progress]: adding candidates to table
0.659 * [progress]: [Phase 3 of 3] Extracting.
0.659 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/.f64 1 (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y))))> #<alt (λ (x y) (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))>)
0.659 * * * [regime-changes]: Trying 2 branch expressions: (y x)
0.659 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/.f64 1 (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y))))> #<alt (λ (x y) (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))>)
0.689 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/.f64 1 (/.f64 (*.f64 x 2.0) (/.f64 (-.f64 x y) y))))> #<alt (λ (x y) (-.f64 (/.f64 0.5 y) (/.f64 0.5 x)))>)
0.720 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.720 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))
0.722 * * [simplify]: iteration  0 :  23  enodes  (cost  7 )
0.722 * * [simplify]: iteration  1 :  23  enodes  (cost  7 )
0.722 * [simplify]: Simplified to:
   (-.f64 (/.f64 0.5 y) (/.f64 0.5 x))
1.491 * [regime-testing]: End program error score: 0.014801693173138916
1.555 * [regime-testing]: Target error score: 0.014801693173138916